/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.spark.sql.execution.adaptive

import org.apache.spark.sql.catalyst.expressions
import org.apache.spark.sql.catalyst.expressions.ListQuery
import org.apache.spark.sql.catalyst.rules.Rule
import org.apache.spark.sql.execution.{ExecSubqueryExpression, SparkPlan}

case class PlanAdaptiveSubqueries(
    subqueryMap: scala.collection.Map[Long, ExecSubqueryExpression]) extends Rule[SparkPlan] {

  def apply(plan: SparkPlan): SparkPlan = {
    plan.transformAllExpressions {
      case expressions.ScalarSubquery(_, _, exprId) =>
        subqueryMap(exprId.id)
      case expressions.InSubquery(_, ListQuery(_, _, exprId, _)) =>
        subqueryMap(exprId.id)
    }
  }
}
